Palindromi

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

function setCharAt(str, index, char) {
    if (index < 0 || index >= str.length) {
      return str;
    }
    return (str.slice0, index) + char + str.slice(index + 1);
}

function palindromi(wordOrigin){
    let txtlength = 0;
    let result1 = "";
    let result2 = "";
    while ((wordOrigin.length/2) > txtlength) {
        result1 = result1+wordOrigin.charAt(txtlength);
        result2 = wordOrigin.charAt(txtlength+(Math.floor(wordOrigin.length/2)))+result2;
        txtlength += 1;
    };
    if (result1 == result2) {
        return 0;
    }else{
        result1 = "";
        result2 = "";
        txtlength = 0;
        let final = 0;
        let char = "";
        while(true){
            if (wordOrigin.charAt((wordOrigin.lenght)-(txtlength+1)) != wordOrigin.charAt(txtlength)) {
                char = wordOrigin.charAt(txtlength);
                wordOrigin = setCharAt(wordOrigin, (wordOrigin.lenght)-(txtlength+1), String(char));
                final += 1;
            };
            txtlength += 1;
            if (wordOrigin.length == txtlength) {
                break;
            };
        };
        return final;
    };
};

rl.question("", (text) => {
    console.log(palindromi(text));
    rl.close();
});

Test 1 (public)

Verdict: TIME LIMIT EXCEEDED

Test 2 (public)

Verdict: ACCEPTED

Test 3 (public)

Verdict: ACCEPTED

Test 4 (public)

Verdict: ACCEPTED

Test 5 (public)

Verdict: TIME LIMIT EXCEEDED

Test 6 (public)

Verdict: TIME LIMIT EXCEEDED

Test 7 (public)

Verdict: TIME LIMIT EXCEEDED

Test 8 (public)

Verdict: TIME LIMIT EXCEEDED

Test 9 (public)

Verdict: TIME LIMIT EXCEEDED

Test 10 (public)

Verdict: TIME LIMIT EXCEEDED